Performance
Valmet works close to our customers through 100 service centers. Our experts are also available remotely with the help of industrial internet technologies.
We deliver services to optimize the performance of your production process - to get the most out of the least. We offer a full range of production consumables to maximize production, minimize lifecycle costs and keep your production performance reliable. Consumable agreements are always tailored specifically for each production line.
Valmet’s process support and optimization services help maximize your process performance by utilizing our technology and automation expertise. You can achieve reduced energy and raw material costs, reduced process variability, optimized quality and production, and enhanced environmental performance.
Performance
-
Forming section troubleshooting checklist extends wire life
Wire life below expectations is of major concern to mill management. These tips are presented in a check list format for quick reference if the need arises.
-
Three customer questions from screening performance webinar
Adam Roy, Process Engineer, answers questions about screening brownstock, debris removal, fractionation and bleach plant washer effluent (from a 2020 webinar).
-
Importance and limits of hardness in wound roll quality
Building a good roll requires controlling hardness. Hardness is dependent on paper characteristics and the tension distribution throughout the wound roll.
-
Safe and efficient calender roll removal - four methods
These methods of calender roll removal are recommended by Valmet. Other methods may be used, depending on style/size of calender & available lifting equipment.
-
Attenuators - operation, maintenance and troubleshooting
A pulsation attenuator, inserted in the stock approach piping, acts as a buffer for the headbox against pulsations developed by stock system components.
-
Common hydraulic valves – cartridge counterbalance valves
Counterbalance valves prevent oil from leaving a cylinder that is holding a load. Without them, loads would move uncontrollably if oil pressure is lost.
-
Common hydraulic valves - the proportional pressure valve
Proportional valves are commonly used to control pressure to a cylinder or hydraulic motor.
-
SymRoll troubleshooting - leakage, cover wear and vibration
For troublefree function of SymRolls, the following are troubleshooting and maintenance tips and procedures regarding oil leakage, hydraulic and pneumatic systems, roll cover wear, roll vibration and other roll change factors.
-
Knowledge and technology drive Valmet roll cover development
It is just as important to optimize the structural design of covers as the choice of materials. This has been, and will continue to be, a tough but interesting challenge, since the requirements of the papermaking process often exceed the demands of any other industry.
-
Troubleshooting chronic wrinkling on a size press, case study
Valmet investigated an issue where a size press was having wrinkling when the nip closed and before the applicator beam was loaded. The culprit was hydraulic.